42206-91-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42206-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,0 and 6 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 42206-91:
(7*4)+(6*2)+(5*2)+(4*0)+(3*6)+(2*9)+(1*1)=87
87 % 10 = 7
So 42206-91-7 is a valid CAS Registry Number.
42206-91-7Relevant articles and documents
Use of flavone and flavanone derivatives in preparation of sedative and hypnotic drugs
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Page/Page column 48; 49; 50, (2017/07/01)
Disclosed is a use of flavones derivatives and flavanone derivatives in preparation of sedative and hypnotic drugs.